Invasion
Invasion Description
1st Record: Nanaimo/British Columbia/Straits of Georgia (1920, Carlton 1979; Vickery and Kevan 1985)
Geographic Extent
Nanaimo-Victoria-Vancouver/British Columbia/Straits of Georgia 1920, Carlton 1979; Vickery and Kevan 1985; (Vickery and Kevan 1985); Semiahmoo Spit, Blaine/WA/Boundary Bay (1990, http://crawford.tardigrade.net/journal/Journal02.html)
Vectors
Level | Vector |
---|---|
Alternate | Cargo |
Alternate | Dry Ballast |